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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 5 |
| 1947 | 2 |
| 1949 | 2 |
| 1950 | 7 |
| 1951 | 8 |
| 1952 | 11 |
| 1953 | 18 |
| 1954 | 18 |
| 1955 | 20 |
| 1956 | 18 |
| 1957 | 8 |
| 1958 | 9 |
| 1959 | 18 |
| 1960 | 17 |
| 1961 | 7 |
| 1962 | 17 |
| 1963 | 31 |
| 1964 | 60 |
| 1965 | 41 |
| 1966 | 55 |
| 1967 | 108 |
| 1968 | 95 |
| 1969 | 105 |
| 1970 | 141 |
| 1971 | 216 |
| 1972 | 266 |
| 1973 | 279 |
| 1974 | 264 |
| 1975 | 277 |
| 1976 | 263 |
| 1977 | 299 |
| 1978 | 351 |
| 1979 | 346 |
| 1980 | 373 |
| 1981 | 299 |
| 1982 | 290 |
| 1983 | 301 |
| 1984 | 316 |
| 1985 | 335 |
| 1986 | 314 |
| 1987 | 320 |
| 1988 | 292 |
| 1989 | 286 |
| 1990 | 331 |
| 1991 | 332 |
| 1992 | 343 |
| 1993 | 420 |
| 1994 | 458 |
| 1995 | 503 |
| 1996 | 547 |
| 1997 | 528 |
| 1998 | 600 |
| 1999 | 703 |
| 2000 | 823 |
| 2001 | 841 |
| 2002 | 778 |
| 2003 | 876 |
| 2004 | 863 |
| 2005 | 940 |
| 2006 | 1054 |
| 2007 | 1068 |
| 2008 | 1091 |
| 2009 | 1061 |
| 2010 | 1106 |
| 2011 | 1105 |
| 2012 | 1215 |
| 2013 | 1164 |
| 2014 | 1128 |
| 2015 | 1312 |
| 2016 | 1125 |
| 2017 | 1047 |
| 2018 | 1059 |
| 2019 | 1161 |
| 2020 | 1014 |
| 2021 | 891 |
| 2022 | 634 |
| 2023 | 604 |
| 2024 | 167 |